The national parks are very important for the protection of these wild animals, which would ________ run the risk of becoming extinct.
举一反三
- A deep knowledge of the habits of the animals in parks and in the wild can help man to ______.
- Make the choice: A: Many more animals will die out if the forest continues to be destroyed. B: Many more animals have the instinct of protecting themselves from being extinct. C: The forest will become extinct if animals are killed. D: Many more animals are living in the forest.
- Which of the following parks is the first National Park in the U.S.?
- Which of the following parks belong to the national park category?
- The survival _____________ of some wild animals is not very high as they are often killed for their skins.